IL-2: 1946 incorporated IL-2 Sturmovik: Forgotten Battles and its two expansions, The Ace Expansion Pack and Pacific Fighters in one installation. It also added a number of new experimental aircraft and missions from an Alternate History where WWII stretches into 1946.

From the back of the box:

"Seven years of war. Seven years of development. One Great Sim." - Oleg Maddox

32 new flyable and 4 new AI planes, nearly 1,000 paintschemes, over a hundred new ground objects, and nearly 200 new campaign missions.

For the first time in History, fly remarkable jet and rocket aircraft (MiG-9, Ar-234, Ta-183, and 15 more) thanks to the Alternate History Campaigns.

Free server all over the world offering exhilarating multiplayer experience (up to 128 players).

Fly the entire globe, from the sands of Iwo Jima to the snow-covered peaks of Russia.